Entertainment | John Henson Muppets' John Henson Dead at 48 'Sudden massive heart attack' kills Jim Henson's youngest son By Polly Davis Doig Posted Feb 16, 2014 5:57 AM CST Copied John Henson, son of the late Jim Henson, in Lake Buena Vista, Fla., in this 1990 file photo. Henson died of a "massive heart attack" at his home in Saugerties, NY, on Friday, Feb. 14, 2014. (AP Photo/FILE) John Henson, the youngest son of Muppets' creator Jim Henson and a puppeteer himself, has died of a massive heart attack at the age of 48, reports People. The Jim Henson Company confirmed Henson's death via a Facebook statement, saying that he died Friday "while at home with his daughter" in Saugerties, NY. Henson, who served on the board of his father's company, leaves two daughters and a wife. Read These Next Melinda French Gates reacts to her ex showing up in new Epstein files. Sarah Ferguson said she cut off Epstein. Not quite, emails show. Trump signs bill to end the latest government shutdown. President's Trump's fight with Harvard just took a new turn. Report an error